Atomic and molecular processes relevant to the volumetric recombinationphenomena were investigated in a linear divertor plasma simulator MAP-Ⅱ. Volumetric recombinationis induced in He plasma by puffing of He or H_2....Atomic and molecular processes relevant to the volumetric recombinationphenomena were investigated in a linear divertor plasma simulator MAP-Ⅱ. Volumetric recombinationis induced in He plasma by puffing of He or H_2. In the He puffing case, the reduction of the ionflux is dominated by the electron-ion recombination. In the H_2 puffing case, however, it isdominated by the molecule-assisted recombination (MAR), which is characterized by the disappearanceof the Helium Rydberg spectra and by the existence of the hydrogen negative ions. Currentachievement and the future prospect are described.展开更多
基金The project partly supported by TEPCO Research Foundation
文摘Atomic and molecular processes relevant to the volumetric recombinationphenomena were investigated in a linear divertor plasma simulator MAP-Ⅱ. Volumetric recombinationis induced in He plasma by puffing of He or H_2. In the He puffing case, the reduction of the ionflux is dominated by the electron-ion recombination. In the H_2 puffing case, however, it isdominated by the molecule-assisted recombination (MAR), which is characterized by the disappearanceof the Helium Rydberg spectra and by the existence of the hydrogen negative ions. Currentachievement and the future prospect are described.
